code: def test_transform(self):
      gpa = prince.GPA(copy=True)
      aligned_shapes = gpa.fit(self.shapes).transform(self.shapes)
      self.assertIsInstance(aligned_shapes, np.ndarray)
      self.assertEqual(self.shapes.shape, aligned_shapes.shape)
  
file_path: prince/tests/test_gpa.py
imports: from __future__ import annotations
  import unittest
  import numpy
  import pandas
  import prince
label_desc: Use image node_id 7 for calling the TestGPA obj's underlying member method code with example usage: obj.test_transform() without return types